Answer:
2
Step-by-step explanation:
Answer:
Hamburgers: $30
Corn-on-the-cobs: $8
Step-by-step explanation:
c + 3= 6
c - 1 = 2
The function f(x) = 4x + 8 represents the distance traveled by a herd of elephants in miles. The function g(x) = x − 1 represents the time the herd traveled in hours. Solve f divided by g of 4, and interpret the answer.
Answer:
\((f/g)(4)=8\)
Interpretation: 4 elephants traveled at a speed of 8 miles per hour
Step-by-step explanation:
Given
\(f(x) = 4x + 8\)
\(g(x) = x -1\)
Required
\((f/g)(4)\)
This is calculated as:
\((f/g)(4)=\frac{f(4)}{g(4)}\)
We have:
\(f(x) = 4x + 8\)
\(f(4) = 4 * 4 + 8 =24\)
\(g(x) = x -1\)
\(g(4) = 4 - 1 = 3\)
So:
\((f/g)(4)=\frac{f(4)}{g(4)}\)
\((f/g)(4)=\frac{24}{3}\)
\((f/g)(4)=8\)
Answer:
Answer:C) 8; The elephants’ rate in miles per hour
Step-by-step explanation:
First write the question as an equation that can be solved to give you a numerical answer.
[f(4)=4(4)+8] / [g(4)=(4)-1]
Then solve the equation.
24/3=8
Finally use background information to give you the context.
Since the problem gives you the function for distance and the function for time then it can be concluded that the context will be the elephants’ rate in miles per hour
Step-by-step explanation:
Factor.
x^2−4x+4
plz help
Answer:
(x-2) 2
Step-by-step explanation:
Answer:
We see that the equation: x^2 - 4x + 4 is a perfect square trinomial as it is in the form of a^2 + 2ab + b^2, meaning that it is the square of a binomial. In this case, we see that we can multiply (x-2) with itself to obtain x^2 - 4x +4.
So the factored form is : (x-2)^2, or (x-2)(x-2)
We can check this by multiplying this out, and we obtain the same trinomial.
x^2-2x-2x+4
x^2-4x+4
Let me know if this helps!
Problems 16 through 21 are based on the following data. Observations of the demand for a certain part stocked at a parts supply depot during the calendar year 1999 were 16. Determine the one-step-ahea
The one-step-ahead demand forecast for a part can be determined using forecasting methods such as moving averages, exponential smoothing, or regression analysis.
the question mentions "observations of the demand for a certain part stocked at a parts supply depot during the calendar year 1999." From this, we can assume that the demand for this part was recorded over the course of the year.
The question also mentions "one-step-ahead demand forecast" without providing further details. In general, a one-step-ahead demand forecast is a prediction of the demand for a certain period based on historical data.
To determine the one-step-ahead demand forecast, you would typically use forecasting methods such as moving averages, exponential smoothing, or regression analysis. These methods analyze the historical demand data and use it to predict future demand.
Learn more about demand from the following link,
https://brainly.com/question/16790743
#SPJ11
Please help
Select an expression that is equivalent to √/184.
18
18^3/4
18^4/3
18^12
An expression that is equivalent to ∛18⁴ is (b) (18)³/⁴
Choosing an expression that is equivalentFrom the question, we have the following parameters that can be used in our computation:
∛18⁴
Applying the law of indices, we have
∛18⁴ = (18⁴)¹/³
Evaluate
So, we have
∛18⁴ = (18)³/⁴
Hence, the solution is (18)³/⁴
Read more about expression at
https://brainly.com/question/15775046
#SPJ1
dayna writes the integers 1,2,3,4,5,6,7,8,9,10,11,12 on a chalkboard, then she erases the integers from 1 through 6, as well as their multiplicative inverse $\mod{13}$. what is the only integer dayna does not erase?
Dayna erases the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11, and leaves only the integer 12 on the chalkboard, by the concept of multiplicative inverse and by using the extended Euclidean algorithm.
The integers from 1 through 6, as well as their multiplicative inverse \($\mod{13}$\), have been erased from the integers 1 through 12. We need to find the only integer that Dayna did not erase. We can find the multiplicative inverse of an integer a modulo 13 by using the extended Euclidean algorithm.
The integers from 1 through 6 are 1, 2, 3, 4, 5, and 6. We need to find their multiplicative inverses modulo 13.
The multiplicative inverse of 1 modulo 13 is 1, since
\($1 \times 1 \equiv 1 \pmod{13}$\).
The multiplicative inverse of 2 modulo 13 is 7, since
\($2 \times 7 \equiv 1 \pmod{13}$\).
The multiplicative inverse of 3 modulo 13 is 9, since
\($3 \times 9 \equiv 1 \pmod{13}$\).
The multiplicative inverse of 4 modulo 13 is 10, since
\($4 \times 10 \equiv 1 \pmod{13}$\).
The multiplicative inverse of 5 modulo 13 is 8, since
\($5 \times 8 \equiv 1 \pmod{13}$\).
The multiplicative inverse of 6 modulo 13 is 11, since
\($6 \times 11 \equiv 1 \pmod{13}$\).
Therefore, the only integer that Dayna does not erase is 12.
To know more about the "multiplicative inverses": https://brainly.com/question/1682347
#SPJ11
15 POINTS PLEASE ANSWER
What equation can be used to find the following: "9 is 45% of what number"
Answer:
20
Step-by-step explanation:
45% of x=9
x=9/0.45 = 20
An application layer IDS security device uses a Bayes based machine learning algorithm that is: - 99% sensitive, 99% of the time identifies true positive packets with malware payload - 95% specific, 95% of the time identifies true negative packets without malware payload. The IDS performs real time deep Malware Traffic Analysis in a high attack application environment where approximately 60% of the traffic is legitimate and 40% of the traffic contains malware, in which case the device drops the packets with malware. Calculate the probability of false negative packets, which is the worst case scenario and is equivalent to the probability for a successful attack. Note: Conditional Probability (A | B) = Probability (A and B) / Probability (B)
The probability of false negative packets, which represents the worst-case scenario of a successful attack, can be calculated using the sensitivity and prevalence of malware traffic.
The sensitivity of the IDS, which is the probability of correctly identifying packets with malware, is given as 99%. This means that out of all the packets containing malware, the IDS will correctly identify 99% of them as positive.
The prevalence of malware traffic in the high attack application environment is stated as 40%, meaning that 40% of the traffic contains malware.
To calculate the probability of false negative packets (P(false negative)), we need to determine the probability of the IDS incorrectly identifying packets without malware as negative. Since the specificity of the IDS is not provided, we can assume it to be 100% - 95% = 5%, as specificity and false positive are complements.
P(false negative) = 1 - sensitivity = 1 - 0.99 = 0.01
Therefore, the probability of false negative packets, which represents the worst-case scenario and is equivalent to the probability for a successful attack, is 0.01 or 1%.
Learn more about probability here:
https://brainly.com/question/32004014
#SPJ11
A survey of 850 people reported that 42% favored the re-election of the current governor. Find the margin of error.
The margin of error is 88%
What is the margin of error for large samples?Let that we have: Sample size n > 30
Sample standard deviation = s
Population standard deviation =\(\sigma\)
Level of significance = \(\alpha\)
Then the margin of error(MOE) is obtained as
Therefore Population standard deviation is;
Margin of Error = MOE = \(Z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\)
Thus Population standard deviation is;
MOE = \(Z_{\alpha/2}\dfrac{s}{\sqrt{n}}\)
We are given that survey of 850 people reported that 42% favored the re-election of the current governor.
220 / 850 = 0.88
0.88 x 100 = 88
Therefore, The margin of error is 88%
Learn more about interval here:
https://brainly.com/question/16427118
#SPJ1
A toddler kicks a ball a distance of 15 feet. The maximum height of the ball above the
ground is 4 feet. If the point at which the child kicks the ball is the origin and the flight of
the ball can be approximated by a parabola, find an expression for the quadratic function
that models the ball's path.
An expression equivalent to (-11b+15)-3(-23b+17)?
Answer:
58b - 36
Step-by-step explanation:
-11b + 15 + 69b - 51
combine 'like terms' to get:
58b - 36
What is the standard form of the equation of f(x)?
Answer:
The standard form of an equation depends on the type of function f(x) you are referring to. Here are some examples of standard forms for commonly used functions:
Linear function: f(x) = mx + b, where m is the slope of the line and b is the y-intercept.
Quadratic function: f(x) = ax^2 + bx + c, where a, b, and c are constants. This is also called the "vertex form" of the quadratic function.
Exponential function: f(x) = ab^x, where a and b are constants. This is also called the "base exponential form" of the function.
Logarithmic function: f(x) = loga(x), where a is the base of the logarithm.
There are many other types of functions, and each one has its own standard form.
Step-by-step explanation:
Vince weights 160, and his friend Nadir weights 140 pounds. Nadir calculated that his weight on another planet would be about 56 lb. Approximately what would weigh on the other planet?
Answer:
64 lb
Step-by-step explanation:
you can solve this problem by using a proportion, then cross multiply and divide. (better explained in yt videos).
Hours 0-4 (section A) the person is travelling away from their starting location. How far do they travel in those 4 hours? Remember to include units
Distance-time graphs are used to determine velocity and also to track the distance moved.
The person has traveled 30 miles in 4 hours
The graph illustrates a distance-time graph.
From the graph, we have:
Distance = 30 miles, when Time = 4 hours
The above highlight means that:
The corresponding distance to 4 hours on the graph is 30 miles
Hence, the person traveled 30 miles in 4 hours
Read more about distance-time graph at:
https://brainly.com/question/20884635
Find the area of the region enclosed by the curves. 10 X= = 2y² +12y + 19 X = - 4y - 10 2 y=-3 5 y=-2 Set up Will you use integration with respect to x or y?
The area of the region enclosed by the curves 10x=2y²+12y+19 and x=-4y-10 is 174/3 units².
To find the area of the region enclosed by the curves 10x=2y²+12y+19 and x=-4y-10, we need to solve this problem in the following way:
Since the curves are already in the form of x = f(y), we need to use vertical strips to find the area.
So, the integral for the area of the region is given by:
A = ∫a b [x₂(y) - x₁(y)] dy
Here, x₂(y) = 10 - 2y² - 12y - 19/5 = - 2y² - 12y + 1/2 and x₁(y) = -4y - 10
So,
A = ∫(-3)⁻²[(-2y² - 12y + 1/2) - (-4y - 10)] dy + ∫(-2)⁻²[(-2y² - 12y + 1/2) - (-4y - 10)] dy
=> A = ∫(-3)⁻²[2y² + 8y - 19/2] dy + ∫(-2)⁻²[2y² + 8y - 19/2] dy
=> A = [(2/3)y³ + 4y² - (19/2)y]₋³ - [(2/3)y³ + 4y² - (19/2)y]₋² | from y = -3 to -2
=> A = [(2/3)(-2)³ + 4(-2)² - (19/2)(-2)] - [(2/3)(-3)³ + 4(-3)² - (19/2)(-3)]
=> A = 174/3
Hence, the area of the region enclosed by the curves is 174/3 units².
Know more about area here:
https://brainly.com/question/15122151
#SPJ11
2 intersecting lines are shown. A line with point T, R, W intersects a line with points S, R, V at point R. Clockwise, from the top left, the angles are (2 x + 10) degrees, blank, blank, (x minus 10) degrees. What is the measure of angle TRV? 20° 50° 60° 130°2 intersecting lines are shown. A line with points M, H, K intersects a line with points J, H, L at point H. 4 angles are created. Clockwise, from the top, the angles are blank, (x + 15) degrees, blank, (2 x minus 20) degrees. What is mAngleMHJ? 35° 50° 72.5° 92.5°
Answer:
Step-by-step explanation:
a) sum of angle on the straight line TRW is 180.
Given <TRS = 2x+10
<SRW = x-10
<TRS+<SRW = 180
2x+10+x-10 = 180
3x = 180
x = 180/3
x = 60°
<TRV = 180°-(2x+10)
Substitute x = 60° into the expression
<TRV = 180-(2(60)+10)
<TRV = 180-(120+10)
<TRV = 180-130
<TRV = 50°
2) From the diagram attached <MHJ= <LHK (oppositely directed angle)
Given
<MHJ= x+15
<LHK = 2x-20
Substitute the given data into the formula to get x
x+15= 2x-20
x-2x = -15-20
-x = -35
x = 35°
Next is to get the measure of <MHJ
<MHJ = x+15
<MHJ = 35+15
<MHJ = 50°
A project has five activities with the durations (days) listed
below:
Activity
Precedes
Expected
Duration
Variance
Start
A, B
-
-
A
C
40
0.31
B
E
32
0.25
C
D
21
0.35
The critical path is the path with the longest duration, which in this case is A -> B -> D -> E with a duration of 11 days.
To determine the critical path of the project, we need to find the longest path of activities that must be completed in order to finish the project on time. This is done by calculating the earliest start time (ES) and earliest finish time (EF) for each activity.
Starting with activity A, ES = 0 and EF = 4. Activity B can start immediately after A is complete, so ES = 4 and EF = 7. Activity C can start after A is complete, so ES = 4 and EF = 6. Activity D can start after B is complete, so ES = 7 and EF = 9. Finally, activity E can start after C and D are complete, so ES = 9 and EF = 11.
The variance for each activity is also given, which allows us to calculate the standard deviation and determine the probability of completing the project on time. The critical path is the path with the longest duration, which in this case is A -> B -> D -> E with a duration of 11 days.
Using the expected durations and variances, we can calculate the standard deviation of the critical path. This information can be used to determine the probability of completing the project on time.
Know more about earliest start time here:
https://brainly.com/question/31043653
#SPJ11
d. Based on the December 31, Year 2, balance sheet, what is the largest cash dividend Dakota could pay
Based on the Year 2 balance sheet, the largest cash dividend that Dakota could pay is $16,500.
What is the largest cash dividend Dakota could pay?Cash dividends refers to the payments that companies make to their shareholders which is usually on the strength of earnings. They often represent opportunity for companies to share the benefit of business profits.
Based on the balance sheet, the largest cash dividend that Dakota could pay in Year 2 is:
= $ 31,500 + $ 5,000 - $ 20,000
= $ 16,500.
Missing questions:Dakota Company experienced the following events during Year 2:
Acquired $20,000 cash from the issue of common stock.
Paid $20,000 cash to purchase land.
Borrowed $2,500 cash.
Provided services for $40,000 cash.
Paid $1,000 cash for utilities expense.
Paid $20,000 cash for other operating expenses.
Paid a $5,000 cash dividend to the stockholders.
Determined that the market value of the land purchased in Event 2 is now $25,000.
Read more about cash dividend
brainly.com/question/30452482
#SPJ1
What is the slope-intercept equation of the line that includes the points in the
table?
O A. y=5x+3
OB. y= 3x - 5
OC. y=3x+5
OD. y = 5x-3
X
-1
0
3/5
2
y
-8
-3
0
7
Answer:
y=5x+3
y=5 is the slop of the equation
y=3x_5
y=3
what is the y intercept
Just look at the photo and anything you can help me with wi be much appreciated
which statement best describes this regression (y = highway miles per gallon in 91 cars)?
A) Statistically significant but large error in the MPG predictions
B) Statistically significant and quite small MPG prediction errors
C) Not quite significant, but predictions should be very good
Your answer: B) Statistically significant and quite small MPG prediction errors
This statement best describes the regression, as it indicates that the relationship between the variables is statistically significant.
Without specific data or statistical analysis, it is impossible to accurately determine which statement best describes the regression for y = highway miles per gallon in 91 cars. However, in general, a statistically significant regression means that there is a relationship between the variables being analyzed. The error in predictions refers to the difference between the predicted value and the actual value.
Therefore, A) statistically significant but large error in the MPG predictions and B) statistically significant and quite small MPG prediction errors could both be possible outcomes depending on the specific data and analysis. C) Not quite significant, but predictions should be very good is unlikely to be a valid statement if the regression is not statistically significant.
Additionally, the small MPG prediction errors suggest that the regression model is reliable and accurate in making predictions for highway miles per gallon in the 91 cars.
Learn more about variable:
brainly.com/question/1511425
#SPJ11
When asked to find the value of x for
which f(x)=17, Danny answered 39. What
mistake did Danny make? What is the
correct answer?
Answer and Step-by-step explanation:
We are not given the function in question, but in order to explain, will form a function. Suppose f(x) = 3x + 2.
If f(x) = 17, then
3x + 2 = 17, to find the value of x, we have solve for x in the equation.
3x = 17 – 2
3x = 15
x = 5
This is the method that can be used to solve problems of this nature.
PERCENT PROPORTION
All the students in the sixth grade either purchased their lunch or brought their lunch
from home on Monday.
• 24% of the students purchased their lunch.
• 190 students brought their lunch from home.
How many students are in the 6th grade?
("hint: use the percent answer from question 1. in your proportion)
How many students purchased their lunch from school?
Answer:
i dont know im so sorry i really need points someone took all mine by reporting them and i need to ask a question for an assignment due in 10 min and i need help again im so sorry
Step-by-step explanation:
HELP ASAP PLEASEEEEE
100 POINTS
An equation is shown: x2 + 4x + 4 = 0
What are the x intercepts? Show your work using a method of your choice.
What is an alternate method you could use to find the x intercepts (other than the method you used)?
What is the vertex? Is it a minimum or maximum? How do you know by looking at the equation?
What steps would you take to graph using the information you have already calculated? How would you use symmetry to help you graph?
The y-intercept is (0, 4).
An alternate method to find the x-intercepts is to factor the quadratic equation.
The vertex is (-2, 0).
The graph of the equation is illustrated below.
One of the most common types of equations is a quadratic equation, which is an equation of the form ax² + bx + c = 0. In this case, we have the equation x² + 4x + 4 = 0, and we need to find the x-intercepts.
To find the x-intercepts, we can use the quadratic formula, which is given by:
x = (-b ± √(b² - 4ac)) / 2a
where a, b, and c are the coefficients of the quadratic equation. In this case, a = 1, b = 4, and c = 4, so we can substitute these values into the formula:
x = (-4 ± √(4² - 4(1)(4))) / 2(1) x = (-4 ± √(0)) / 2 x = -2
Therefore, the x-intercept is -2. We can check this by plugging in x = -2 into the equation and verifying that it equals zero:
(-2)² + 4(-2) + 4 = 0
In this case, we can see that the equation can be factored as:
(x + 2)² = 0
Taking the square root of both sides, we get:
x + 2 = 0
x = -2
This gives us the same x-intercept as before.
To find the vertex of the parabola represented by the equation, we can use the formula:
x = -b / 2a
and then substitute this value of x into the equation to find the y-coordinate of the vertex. In this case, we have:
x = -4 / 2(1) x = -2
Substituting x = -2 into the equation, we get:
(-2)² + 4(-2) + 4 = 0
Since the coefficient of x² is positive (i.e., a = 1 > 0), the parabola opens upwards and the vertex is a minimum.
To graph the parabola, we can plot the vertex at (-2, 0) and use the x-intercept we found earlier at (-2, 0). Since the equation is symmetric about the vertical line through the vertex, we know that there is another point on the graph that is the same distance from the vertex but on the other side of the line. Therefore, we can plot the point (-3, 0) as well. We can also find the y-intercept by setting x = 0 in the equation:
0² + 4(0) + 4 = 4
Using this information, we can sketch the parabola by connecting the points (-3, 0), (-2, 0), and (0, 4), and noting that the parabola is symmetric about the line x = -2.
To know more about equation here
https://brainly.com/question/10413253
#SPJ1
The following table shows the distance from the bus stop as a function of time: Time (in minutes) x Distance (in meters) f(x) 0 45 3 40 6 35 9 30 12 25 Find and interpret the meaning of the x-intercept in this scenario. Group of answer choices
The bus stop is at a distance of 45 meters from the starting point. Hence, The person will reach the bus stop after 27 minutes.
The x-intercept of a function is the point where the function crosses the x-axis, which means that the value of the dependent variable y is equal to zero.
In this case, we are given a table of values that represent the distance from a bus stop as a function of time. To find the x-intercept of this function, we need to find the value of x when f(x) = 0.
We can notice from the table that the distance from the bus stop decreases over time, which means that the function is decreasing.
Therefore, we can assume that the x-intercept is between 12 and 15 minutes because the distance is decreasing linearly at a constant rate.
To find the exact value of the x-intercept, we can use the equation of a line to interpolate between the two points (9, 30) and (12, 25).
The equation of the line passing through these points is: f(x) = -5/3 x + 45 We can set f(x) equal to zero and solve for x:0 = -5/3 x + 45x = 27
The x-intercept is at x = 27 minutes, which means that the distance from the bus stop will be zero after 27 minutes.
This could mean that the bus stop is at a distance of 45 meters from the starting point, and the person is walking towards the bus stop. The person will reach the bus stop after 27 minutes.
For more such questions on distance
https://brainly.com/question/26550516
#SPJ8
As the diameter (d) of a circle increases in size, the circumference (C)
increases Likewise, as the diameter decreases in size, so does the circumference,
The constant of variation between Cand dist. Describe the kind of variation
between eireumference and diameter Write the equation.
plz open this power point and help me
ANSWER: Company C
EXPLANATION:
1) Find the least common multiple of 6, 10 and 12. This would be 60 because:
6 x 10 = 60
10 x 6 = 60
12 x 5 = 60
2) Now you can figure out how much money each company gives for every $60 worth of gift wrap by multiplying the amount they gave in the paragraph by the same as what you did in the calculations above.
Company A
$1 x 10 = $10 for every $60 worth of gift wrap sold
Company B
$2 x 6 = $12 for every $60 worth of gift wrap sold
Company C
$3 x 5 = $15 for every $60 worth of gift wrap sold
ARGUMENT
Company C should be selected because they give the most money per dollar ($15 per $60 worth of gift wrap sold).
and rates: word problems ZB9
Last summer, the Abrams family had a 30-gallon baby pool that they could fill in just 2
minutes. This summer, they purchased a larger kiddie pool that holds 150 gallons of water.
If the Abrams fill the larger pool at the same rate, how long will it take to fill it?
Answer:
10 mins
Explanation:
Because it takes 2 minutes to fill a 30 gal pool, and 150/30=5, 2 x 5 = 10 giving you the answer of 10 mins to fill a 150 gal pool.
Time taken to fill the larger kiddie pool that holds 150 gallons of water is 10 minutes.
Given that, the Abrams family had a 30 gallon baby pool that could fill in just 2 minutes.
What is the unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Now, rate of filling the pool = 30/2
= 15 gallons per minute
So, time taken to fill 150 gallons of water
= 150/15
=10 minutes
Therefore, time taken to fill the larger kiddie pool that holds 150 gallons of water is 10 minutes.
To learn more about the unitary method visit:
brainly.com/question/22056199.
#SPJ2
1. Two equivalent cubes are shown. The edge length of each dice are 3 centimeters,
What is the combined volume of the both dice in cubic centimeters?
A 54 cm
B 18 cm
C 9 cm
D 27 cm
Answer:
Step-by-step explanation:
-9x -2y=3
- 2x-y=-1
HELP ASAP
Answer:
is this even real what's the actual question?